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Finding the Fourth Proportional to 235,381.32, 324,838.08 and 144,742.32

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Solution

The fourth proportional to 235,381.32, 324,838.08 and 144,742.32 is: 199,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,381.32 : 324,838.08 = 144,742.32 : x
  2. Step 2: Convert to fraction form
    235,381.32/324,838.08 = 144,742.32/x
  3. Step 3: Cross multiply
    235,381.32x = 324,838.08 × 144,742.32
  4. Step 4: Simplify right side
    235,381.32x = 47,017,817,323.55
  5. Step 5: Solve for x
    x = 47,017,817,323.55/235,381.32
  6. Step 6: Final answer
    x = 199,751.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.